Actuator



FIG. 1 is a front, top, and left side perspective view of an actuator showing our new design;

FIG. 2 is a rear, bottom, and right side perspective view thereof;

FIG. 3 is a rear, top, and left side perspective view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is a top plan view thereof; and,

FIG. 9 is a bottom plan view thereof.

The broken lines show portions of an actuator which form no part of the claimed design. 

CLAIM The ornamental design for an actuator, as shown and described. 